A model trading method, system, and computer program product include extracting a feature-model list from a first application and a feature-model list from a second application on a device, creating a price model for a price for each feature-model of the feature-model list of the second application that matches a feature-model of the feature-model list for the first application, and facilitating feature-model trading between the first application and the second application based on the feature-model list and the price model.